Home / 4,574.42-6,312.75-2,478.55

Finding the Fourth Proportional to 4,574.42, 6,312.75 and 2,478.55

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Solution

The fourth proportional to 4,574.42, 6,312.75 and 2,478.55 is: 3,420.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,574.42 : 6,312.75 = 2,478.55 : x
  2. Step 2: Convert to fraction form
    4,574.42/6,312.75 = 2,478.55/x
  3. Step 3: Cross multiply
    4,574.42x = 6,312.75 × 2,478.55
  4. Step 4: Simplify right side
    4,574.42x = 15,646,466.51
  5. Step 5: Solve for x
    x = 15,646,466.51/4,574.42
  6. Step 6: Final answer
    x = 3,420.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.